Home / 814,035.84-1,123,436.73-451,576.56

Finding the Fourth Proportional to 814,035.84, 1,123,436.73 and 451,576.56

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Solution

The fourth proportional to 814,035.84, 1,123,436.73 and 451,576.56 is: 623,212.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,035.84 : 1,123,436.73 = 451,576.56 : x
  2. Step 2: Convert to fraction form
    814,035.84/1,123,436.73 = 451,576.56/x
  3. Step 3: Cross multiply
    814,035.84x = 1,123,436.73 × 451,576.56
  4. Step 4: Simplify right side
    814,035.84x = 507,317,693,911.05
  5. Step 5: Solve for x
    x = 507,317,693,911.05/814,035.84
  6. Step 6: Final answer
    x = 623,212.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.